With grub screws. Suits 0.25/6.35mm shaft. Solid aluminium construction.

• Colour Coded (Insert/Marking) : Black
• Shape : Cylindrical
• Diameter : 16mm
• Height : 14mm
• Marking : Pointer Line
• Material : Aluminimum
• Securing Method : Grub Screw
• Shaft Type : 1/4" Flattened Side
• Shaft Insert Material : Plastic